Add _ prefix to the unused variable name.

tomasz-rozanski · tomasz-rozanski · commit 44080b75fcc2 · 2019-06-28T15:45:23.000+02:00
diff --git a/src/std/str.md b/src/std/str.md
@@ -141,7 +141,7 @@ fn main() {
         println!("And the same as text: '{}'", my_str);
     }
 
-    let quotes = br#"You can also use "fancier" formatting, \
+    let _quotes = br#"You can also use "fancier" formatting, \
                     like with normal raw strings"#;
 
     // Byte strings don't have to be UTF-8

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ fn main() {`
`141`	`141`	`println!("And the same as text: '{}'", my_str);`
`142`	`142`	`}`
`143`	`143`
`144`		`- let quotes = br#"You can also use "fancier" formatting, \`
	`144`	`+ let _quotes = br#"You can also use "fancier" formatting, \`
`145`	`145`	`like with normal raw strings"#;`
`146`	`146`
`147`	`147`	`// Byte strings don't have to be UTF-8`